SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for petflag.ch

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
web9.internetgalerie.ch
Valid from
Jul 11, 2026
Valid until
Oct 9, 2026 (80 days remaining)
Public key
RSA 2048-bit
Serial
05D7EB3D0FF72B0874E796483A00AB76B67A
SHA-256 fingerprint
04:0D:2D:04:7F:5E:FE:D3:11:5E:96:17:AC:09:A8:60:FB:4C:59:0C:57:F1:41:3E:B2:6E:45:EE:30:AE:16:D4
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (1)
web9.internetgalerie.ch

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.